{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "It suggests that TB4 could be a hypoxia responsive regulator to control tumor cell migration in angiogenesis and tumor metastasis ."}
{"Anatomy": ["tumor cell", "tumor"]}